diff options
Diffstat (limited to 'node_simple.js')
| -rw-r--r-- | node_simple.js | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/node_simple.js b/node_simple.js index 0290519..f7da2c3 100644 --- a/node_simple.js +++ b/node_simple.js @@ -350,16 +350,20 @@ exports.retrieve_userComments_history = function (username, callback) { _id: 0 }} ]).toArray(function (err, res) { - var finised = _.after(res.length, doCall); // execute "doCall" only after res.length # of attempts - res.forEach(function (comment) { - exams.find( { _id: ObjectId(comment.exam_id) } ).toArray(function (err, docs) { // get the exam info - comment.course_code = docs[0].course_code; - comment.year = docs[0].year; - comment.term = docs[0].term; - mylist.push(comment); // save it to array - finised(); + if(!res.length){ // Ensure a callback is executed if res is empty + callback(true, res); + }else{ + var finised = _.after(res.length, doCall); // execute "doCall" only after res.length # of attempts + res.forEach(function (comment) { + exams.find( { _id: ObjectId(comment.exam_id) } ).toArray(function (err, docs) { // get the exam info + comment.course_code = docs[0].course_code; + comment.year = docs[0].year; + comment.term = docs[0].term; + mylist.push(comment); // save it to array + finised(); + }); }); - }); + } }); function doCall() { |